Thanks to egrep
for linguists for giving this nice and clear example of using
egrep.
There are different ways to match both star and stars within a single
search pattern. The most straightforward way might be to tell egrep to
look for either the string star or the string stars with the help of a
disjunction, expressed with the vertical bar, |. This time the search
pattern has to be quoted in order for the program to know where the
search pattern starts and ends
$ egrep -w 'star|stars' sonnets.txt
Not from the stars do I my judgement pluck,
And constant stars in them I read such art
Whereon the stars in secret influence comment.
Let those who are in favour with their stars,
Till whatsoever star that guides my moving,
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